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Episode 5: The Calling

The Calling

Season 4 Episode 5
53:05
When Whales Could Walk

When Whales Could Walk

Season 51 Episode 1
53:31
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Eons

The Graveyard at the Center of the Earth

Season 7 Episode 16

Scientists have been trying to solve the mystery of why plate tectonics works the way it does for over a hundred years. And they might have just uncovered a key to cracking it.

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Why Wasn't There A Second Age of Reptiles?
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Why was it the mammals who triumphed?
How Mountains Make Evolution Weird
10:09
What do mountains reveal about primates?
The Mystery of the Cretaceous Pompeii
10:39
When you take a deeper look at Pompeii, a different story could be told about the final moments.
How Asteroids Set the Stage for Life on Earth
10:38
We may have planet-shattering asteroids...
When Neandertals Became Apex Predators
11:50
What doomed the Neandertals?
When the Amazon Flowed Backwards
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What did life look like when the Amazon watershed flowed backwards?
How Animals Got Butts
12:10
Did you know the evolution of the butthole was a major breakthrough in animal development?
What Happened To The Other Mesozoic Mammals?
12:28
Learn about the complicated the history of mammals and their disappearance.
The Dinosaurs That Evolution Forgot
9:19
Where are all the east coast dinosaurs?
Where Did the Moon Come From?
10:50
Where did our moon come from? The origin is even stranger than you may imagine.
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The Himalayas changed everything.
How The Elephant Got Its Trunk
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What led to the creation of the trunk?
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